ISO/IEC. Second edition. Information technology — Automatic identification and data capture techniques — EAN/UPC bar code symbology. ISO/IEC Standard | Information technology — Automatic identification and data capture techniques — Bar code symbology. Description. This International Standard specifies the requirements for the EAN/ UPC symbology including data character encodation, symbol formats.

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Automatische Identifikation und Datenerfassungsverfahren. The first generation of products that were labeled with UPC-A almost exclusively used a zero as the number system digit. This website is best viewed with browser version of up to Microsoft Internet Explorer 8 or Firefox 3. This enables each numeric character to be represented by using just two bars and two spaces, which is the fewest number of modules required per character of any symbology.

To specify a UPC-A barcode that has a number system digit other than zero, you must specify 11 digits in the character string. Although UPC barcodes come in a number of different message lengths, these lengths are not fully variable as they are with other barcode symbologies.

BS ISO/IEC 15420:2009

You may experience issues viewing this site in Internet Explorer 9, 10 or Barcode Guide All Files. Click to learn more. Universal Product Code UPC was initially developed in the eic for use by the US grocery industry, and its use has spread into other retail marketplaces in the US and internationally.

Combining UPC with Other Symbologies Because many purchased goods are conveniently prelabeled with UPC barcodes, you will want a barcode reader that can read these symbologies. The character set and density of the add-on symbols are the same as oec of UPC-A.


Because UPC is a numeric-only code, Interleaved 2 of 5 would be the preferred substitute, because it uses about half the space that Code 39 uses. Leading quiet zone Guard pattern start character Six symbol characters Center guard pattern center character Six symbol characters, including check digit Guard pattern stop character Trailing quiet zone UPC-A encodes 11 digits of numeric message data together with a check digit, for a total of 12 digits. Most barcode symbologies print bars and spaces in only two widths, but with UPC, four different widths are used.

The guard bars are the start, stop, and center characters in a UPC-A symbol.

ISO/IEC 15420:2009

A human readable interpretation is always included. If you have a barcode reader that has automatic discrimination, we recommend using either Interleaved 2 of 5 or Code 39 for your in-house printed barcodes.

With four available printing widths for the bars and spaces instead of just two, UPC-A takes about half the number of bars and spaces relative to Interleaved 2 of 5 to represent each character. The start characters for the two-digit and five-digit add-on symbols are made up of three modules as follows: However, since most barcode readers can automatically discriminate between the various barcode symbologies, it is very easy to combine different barcode symbologies in a given application environment.

Automatic identification and data capture techniques. BarTender is label design softwarelabel printing softwarebarcode softwareRFID softwarean alternative to embedded printer codeand much more. This brings the effective length of a UPC-A barcode message up to eleven digits.


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Interleaved 2 of 5 codes pack data more densely than UPC-A does. Accept and continue Learn more about the cookies we use and how to change your settings. UPC-A encodes 11 digits of numeric message data together with a check digit, for a total of 12 digits. The first digit of a UPC-A code is called the number system digit. Your basket is empty.

You may find similar items within these categories by selecting from the choices below:. Two-digit and five-digit add-on symbols supplemental barcodes are available for adding to the right of the UPC-A symbol. The bars for these characters are longer than the bars that encode data, and they are sometimes referred to as security bars.

They are made up of three modules as follows:. These add-on symbols are usually used to add a date or a manufacturer’s suggested retail price MSRP to periodicals, books, and weighed products, such as food. The start and stop characters are identical to each other. Character sets, Data representation, Automatic, Symbols, Optical character recognition, Algorithms, Coded representation, Character strings, Coded character sets, Bar codes, Data processing, Graphic symbols, Coding data conversionDimensions, Information exchange.

Worldwide Standards We can source any standard from anywhere in the world. The start characters for the two-digit and five-digit add-on symbols are made up of three modules as follows:. Take the smart route to manage medical device compliance.